disappoints, deceives, deludes
Non deluda Tom.
Don't disappoint Tom.
Non la deluda.
Don't let her down.
Non mi deluda.
Don't let me down.
Non lo deluda.
Don't disappoint him.
Non ci deluda.
Let’s hope he/she doesn’t disappoint us.
Trovi qualcosa contro quell'uomo, non mi deluda.
Find something against that man—don’t let me down.
— Le vite degli altri (2006)
Non la deluda ora.
Don't disappoint her now.